#!/bin/sh
# Begin $rc_base/init.d/squid

. /etc/sysconfig/rc
. $rc_functions

chown -R squid:squid /var/log/squid
chown -R squid:squid /var/log/squidGuard


transparent() {
		DEVICE=$1

		eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
		eval $(/usr/local/bin/readhash /var/ipfire/proxy/settings)

		# If the proxy port is not set we set the default to 800.
		if [ -z "${TRANSPARENT_PORT}" ]; then
			TRANSPARENT_PORT=800
		fi

		LOCALIP=`cat /var/ipfire/red/local-ipaddress | tr -d \n`
		if [ -z $LOCALIP ]; then
			boot_mesg "Couldn't read local-ipaddress" ${FAILURE}
			exit 1
		fi

		COUNT=1
		FILE=/var/ipfire/vpn/config

		while read LINE; do
			let COUNT=$COUNT+1
			CONN_TYPE=`echo "$LINE" | awk -F, '{ print $5 }'`
			if [ "$CONN_TYPE" != "net" ]; then
				continue
			fi  
  		iptables -t nat -A SQUID -i $1 -p tcp -d `echo "$LINE" | awk -F, '{ print $13 }'` --dport 80 -j RETURN
		done < $FILE
		
		if [ "$RED_TYPE" == "STATIC" ]; then
			iptables -t nat -A SQUID -i $1 -p tcp -d $RED_NETADDRESS/$RED_NETMASK --dport 80 -j RETURN
		fi
		
		iptables -t nat -A SQUID -i $1 -p tcp -d $LOCALIP --dport 80 -j RETURN
		
		iptables -t nat -A SQUID -i $1 -p tcp --dport 80 -j REDIRECT --to-port "${TRANSPARENT_PORT}"
}

case "$1" in
	start)
		getpids "squid"

		if [ -n "${pidlist}" ]; then
			echo -e "Squid is already running with Process"\
				"ID(s) ${pidlist}.${NORMAL}"
		evaluate_retval
		exit
		fi


		eval $(/usr/local/bin/readhash /var/ipfire/proxy/advanced/settings)
		eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)

		if [ -e /var/ipfire/proxy/enable -o -e /var/ipfire/proxy/enable_blue ]; then
			# Add Address to errorpage stylesheet
			sed "s|XXXhostXXX|$GREEN_ADDRESS|g" /var/ipfire/proxy/errorpage-$ERR_DESIGN.css > \
				/etc/squid/errorpage.css

			boot_mesg "Creating Squid swap directories..."
			/usr/sbin/squid -z >/dev/null 2>&1
			evaluate_retval

			# Make sure, that the process above has finished.
			counter=5
			while [ ${counter} -gt 0 ]; do
				if pidofproc -s /usr/sbin/squid; then
					sleep 1
				else
					break
				fi
			done

			boot_mesg "Starting Squid Proxy Server..."
			loadproc /usr/sbin/squid
		fi

		if [ -e /var/ipfire/proxy/transparent ]; then
			transparent $GREEN_DEV
		fi
		if [ -e /var/ipfire/proxy/transparent_blue ]; then
			transparent $BLUE_DEV
		fi
		;;

	stop)
			iptables -t nat -F SQUID
		if [ -e /var/run/squid.pid ]; then
			boot_mesg "Stopping Squid Proxy Server..."
			squid -k shutdown >/dev/null 2>&1
			evaluate_retval

			# Stop squidGuard, updxlrator, squidclamav
			# and redirect_wrappers.			
			killproc /usr/bin/squidGuard >/dev/null &
			killproc /usr/sbin/updxlrator >/dev/null &
			killproc /usr/bin/squidclamav >/dev/null &
			killproc /usr/sbin/redirect_wrapper >/dev/null &

			# Wait until all redirectors have been stopped.
			wait

			# If squid is still running, wait up to 30 seconds
			# before we go on to kill it.
			counter=30

			while [ ${counter} -gt 0 ]; do
				statusproc /usr/sbin/squid >/dev/null && break;
				sleep 1
				counter=$(( ${counter} - 1))
			done

			# Kill squid service, if still running.
			killproc /usr/sbin/squid >/dev/null

			# Trash remain pid file from squid.
			rm -rf /var/run/squid.pid	
		fi
		;;

	restart)
		$0 stop
		sleep 5
		$0 start
		;;

	reconfigure)
	/usr/sbin/squid -k reconfigure
		;;

	status)
		statusproc /usr/sbin/squid
		statusproc /usr/lib/squid/unlinkd
		;;
		
	flush)
		$0 stop
		echo > /var/log/cache/swap.state
		chown squid.squid /var/log/cache/swap.state
		sleep 1
		$0 start
		;;
	setperms)
		chown -R nobody.squid /var/updatecache/
		;;

	*)
		echo "Usage: $0 {start|stop|restart|status|flush}"
		exit 1
		;;
esac

# End $rc_base/init.d/squid
